gakuomaozugha gakuomaozugha
  • 25-07-2021
  • Mathematics
contestada

Given that 3x-7y=-27 and 5x+9y=17. Find the values of x and y that satisfy both equations, using elimination method.

Respuesta :

Аноним Аноним
  • 25-07-2021

here's the answer to your question

Ver imagen Аноним
Answer Link
EAnswers
EAnswers EAnswers
  • 25-07-2021

solve for x

3x-7y=-27

5x+9y=17

multiply 9, 7

27x -63y =-243

35x +63y = 119

add and cancel y out

62x = -124

x = -2

plug in x

-6-7y=-27

-7y=-21

y = 3

answer:

y = 3

x = -2

Answer Link

Otras preguntas

The primary method in which two connected objects transfer energy by heat flow is _____.
4. The science team uses the information to suggest the main outcome of the hypothesis. a. Make a prediction b. Test the hypothesis c. observe the problem
_____________ consist of statuses, roles, groups and institutions.
The largest proportion of sales handled by industrial channel members is accounted for by
Which light waves are refracted the most after passing through a prism? a. Red waves b. Yellow waves c. Green waves d. blue waves
Identify the class of the italicized pronoun(s) in the sentence. Who invented the telescope?
The slope of the line on a speed-time graph tells the speed , true or false ?
In the reaction C5H8 + Blank Space __________O2 → 8H2O + 5CO2, what coefficient should be placed in front of O2 to balance the reaction?
The largest organic molecules are: A.nucleic acid B.carbohydrates C.fats D.proteins
Please Help..........................................